/* ==========================================================================
   ABYP HOLDING LLC — Bespoke Architectural Identity
   Art Direction: Architectural Holding Ledger (Bespoke Editorial)
   Typography: Cinzel (Lapidary), Newsreader (Editorial Serif), DM Sans (UI)
   Palette: Warm Stone (#F4F2EC), Deep Forest Olive (#21352D), Bronze (#8A6B44)
   ========================================================================== */

/* --- Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&display=swap');

/* --- Design Tokens & Variables --- */
:root {
  --color-canvas: #F4F2EC;
  --color-canvas-alt: #EAE6DC;
  --color-canvas-subtle: #E3DFD3;
  --color-surface: #FFFFFF;
  --color-surface-hover: #FBF9F4;

  --color-primary: #21352D;
  --color-primary-dark: #16241E;
  --color-primary-light: #2D483D;
  --color-primary-tint: rgba(33, 53, 45, 0.05);

  --color-bronze: #8A6B44;
  --color-bronze-dark: #6E5332;
  --color-bronze-light: #B59368;
  --color-bronze-tint: rgba(138, 107, 68, 0.12);

  --color-text-main: #21352D;
  --color-text-muted: #38433E;
  --color-text-subtle: #54615A;
  --color-text-light: #F4F2EC;

  --color-border: rgba(33, 53, 45, 0.16);
  --color-border-light: rgba(33, 53, 45, 0.08);
  --color-border-strong: rgba(33, 53, 45, 0.32);

  --color-error: #A62D1D;
  --color-error-bg: #FDF3F1;
  --color-success: #1E6646;
  --color-success-bg: #EDF7F1;

  --font-brand: 'Cinzel', 'Times New Roman', Georgia, serif;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container-max: 1240px;
  --container-padding: clamp(1.5rem, 4vw, 3.5rem);

  --transition-fast: 140ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 260ms cubic-bezier(0.16, 1, 0.3, 1);

  --radius-xs: 2px;
  --shadow-editorial: 0 1px 3px rgba(22, 36, 30, 0.04), 0 12px 28px rgba(22, 36, 30, 0.06);
}

/* --- Global Reset & Foundation --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--color-canvas);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-main);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* --- Browser Surfaces Theming (Impeccable Craft Floor) --- */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

::-moz-selection {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

input, textarea {
  caret-color: var(--color-bronze);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

::-webkit-scrollbar-track {
  background: var(--color-canvas-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border: 2px solid var(--color-canvas-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

img, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* Tabular figures for data integrity */
.tabular-data, .registry-id, .year-datum {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 0.85rem 1.5rem;
  z-index: 1000;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--color-bronze);
  outline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

section[id] {
  scroll-margin-top: 5rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* --- Top Registry Masthead Colophon --- */
.masthead-colophon {
  background-color: var(--color-primary);
  color: rgba(244, 242, 236, 0.75);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(244, 242, 236, 0.12);
  padding: 0.65rem 1rem;
}

.masthead-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.masthead-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.masthead-item strong {
  color: var(--color-text-light);
  font-weight: 600;
}

.masthead-sep {
  color: var(--color-bronze-light);
}

/* --- Main Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background-color: rgba(244, 242, 236, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 1.15rem;
}

.brand-wordmark {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  padding: 0.35rem 0.65rem;
  border: 1.5px solid var(--color-primary);
  line-height: 1;
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-title-primary {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  line-height: 1.15;
}

.brand-title-secondary {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-bronze-dark);
  line-height: 1.25;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding-block: 0.5rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-smooth);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.header-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.65rem 1.35rem;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: 1px solid var(--color-primary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-action-btn:hover {
  background-color: var(--color-primary-dark);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

/* --- Hero Section: Asymmetrical Architectural Monument --- */
.hero-monument {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
  position: relative;
}

.hero-monument-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: end;
}

.hero-editorial {
  display: flex;
  flex-direction: column;
}

/* Clean architectural datum rather than AI chip */
.hero-datum {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-bronze-dark);
  margin-bottom: 1.75rem;
}

.hero-datum-line {
  width: 2.5rem;
  height: 1px;
  background-color: var(--color-bronze);
}

.hero-headline {
  font-family: var(--font-brand);
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
  color: var(--color-primary-light);
  margin-bottom: 1.5rem;
  max-width: 38rem;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 36rem;
  margin-bottom: 2.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 50px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-strong);
}

.btn-outline:hover {
  background-color: var(--color-canvas-alt);
  border-color: var(--color-primary);
}

/* Monolithic Image Structure */
.hero-architecture-frame {
  position: relative;
}

.hero-architecture-plate {
  position: relative;
  background-color: var(--color-canvas-alt);
  border: 1px solid var(--color-border);
  padding: 0.65rem;
  box-shadow: var(--shadow-editorial);
}

.hero-architecture-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.hero-plate-caption {
  margin-top: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
}

/* --- Section Structure --- */
.section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  position: relative;
}

.section-divider-line {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section-divider-line hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.section-header-bespoke {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading-editorial {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 3.8vw, 3.25rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-primary);
}

/* --- Section 02: About the Company (Asymmetric Spread) --- */
.about-spread {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about-text-column {
  display: flex;
  flex-direction: column;
}

.about-primary-statement {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.1vw, 1.75rem);
  line-height: 1.5;
  color: var(--color-primary);
  margin-bottom: 1.75rem;
}

.about-secondary-statement {
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.about-imagery-monolith {
  position: relative;
  background-color: var(--color-canvas-alt);
  border: 1px solid var(--color-border);
  padding: 0.65rem;
}

.about-imagery-img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.about-imagery-footer {
  margin-top: 0.85rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
}

/* --- Section 03: Principles (Continuous Stone Triptych Ledger) --- */
.triptych-ledger {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.triptych-cell {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-editorial);
  padding: clamp(2.25rem, 4.5vw, 3.5rem);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.triptych-cell:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-bronze);
}

.triptych-numeral {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-bronze-dark);
  margin-bottom: 1.5rem;
  display: block;
}

.triptych-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 1.15rem;
}

.triptych-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* --- Section 04: Business Enquiries (Connected Horizontal Progression) --- */
.enquiries-preamble {
  max-width: 46rem;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.progression-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  margin-bottom: 2.5rem;
}

.progression-node {
  display: flex;
  flex-direction: column;
  padding: 2.5rem;
  padding: clamp(2rem, 3.5vw, 2.85rem);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-editorial);
  position: relative;
}

.progression-node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.progression-step-label {
  display: block;
  font-family: var(--font-brand);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-bronze-dark);
  margin-bottom: 0.85rem;
}

.progression-stage-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.progression-stage-text {
  font-size: 0.975rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.governance-boundary-note {
  padding: 1.15rem 1.75rem;
  background-color: var(--color-canvas-alt);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-subtle);
}

/* --- Section 05: Company Information (Verified Registry Plate) --- */
.registry-spread {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: start;
}

.registry-meta-column {
  display: flex;
  flex-direction: column;
}

.registry-intro-copy {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.registry-certificate-seal {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  box-shadow: var(--shadow-editorial);
}

.registry-certificate-seal svg {
  color: var(--color-success);
}

/* Ledger Table */
.registry-ledger-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-editorial);
  padding: 0.5rem;
}

.registry-ledger-list {
  display: grid;
  grid-template-columns: 1fr;
  list-style: none;
}

.registry-ledger-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  padding: 1.35rem 1.75rem;
  border-bottom: 1px solid var(--color-border-light);
  align-items: baseline;
}

.registry-ledger-row:last-child {
  border-bottom: none;
}

.registry-ledger-term {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bronze-dark);
}

.registry-ledger-val {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.5;
}

.registry-ledger-val.prominent-code {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

/* --- Section 06: Contact Section (Architectural Portal) --- */
.contact-section-bespoke {
  background-color: var(--color-canvas);
}

.contact-portal-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.contact-protocol-column {
  display: flex;
  flex-direction: column;
}

.contact-lead-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.protocol-box {
  padding: 1.75rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.protocol-box-title {
  font-family: var(--font-brand);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.protocol-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-subtle);
}

.protocol-items li {
  position: relative;
  padding-left: 1.25rem;
}

.protocol-items li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-bronze);
}

/* Monolithic Form Surface */
.portal-form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: clamp(2.5rem, 5vw, 3.75rem);
  box-shadow: var(--shadow-editorial);
}

.field-group {
  margin-bottom: 1.6rem;
  display: flex;
  flex-direction: column;
}

.field-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.required-mark {
  color: var(--color-bronze-dark);
  margin-left: 0.2rem;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-bottom: 0.45rem;
}

.field-control {
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1.15rem;
  font-size: 1rem;
  color: var(--color-primary);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea.field-control {
  min-height: 140px;
  resize: vertical;
}

.field-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(33, 53, 45, 0.14);
}

/* Modern Web Guidance: :user-invalid and :user-valid states */
.field-control:user-invalid,
.field-control.user-invalid-fallback {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

.field-control:user-valid:not(:placeholder-shown),
.field-control.user-valid-fallback {
  border-color: var(--color-success);
}

.field-error-msg {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.4rem;
  font-weight: 500;
}

.field-control:user-invalid + .field-error-msg,
.field-control.user-invalid-fallback + .field-error-msg {
  display: block;
}

/* Honeypot field (hidden from screen readers & sighted users) */
.honeypot-trap {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.form-submission-zone {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.submission-disclaimer {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text-subtle);
}

.submission-disclaimer a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--color-primary);
}

/* Status Notifications */
.form-notification {
  display: none;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xs);
  margin-top: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.form-notification.success {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-notification.error {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* --- Site Footer --- */
.site-footer-bespoke {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding-top: 4.5rem;
  padding-bottom: 3rem;
  border-top: 2px solid var(--color-bronze);
}

.footer-top-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(244, 242, 236, 0.12);
}

.footer-brand-column {
  max-width: 26rem;
}

.footer-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.footer-badge-box {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.35rem 0.65rem;
  border: 1.5px solid var(--color-bronze);
  color: var(--color-bronze);
  line-height: 1;
}

.footer-brand-name {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-text-light);
}

.footer-ethos {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(244, 242, 236, 0.72);
}

.footer-nav-columns {
  display: flex;
  gap: 4rem;
}

.footer-col-head {
  font-family: var(--font-brand);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-bronze-light);
  margin-bottom: 1.25rem;
}

.footer-nav-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.footer-nav-link {
  color: rgba(244, 242, 236, 0.75);
}

.footer-nav-link:hover {
  color: var(--color-text-light);
}

.footer-sub-bar {
  padding-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: rgba(244, 242, 236, 0.65);
}

.footer-legal-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.footer-divider {
  color: rgba(244, 242, 236, 0.3);
}

.footer-privacy-anchor {
  color: rgba(244, 242, 236, 0.85);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-privacy-anchor:hover {
  color: var(--color-text-light);
}

/* --- Native Dialog Modal for Privacy Preview --- */
dialog.policy-dialog {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  max-width: 680px;
  width: 90vw;
  max-height: 85vh;
  margin: auto;
  padding: 0;
  border-radius: var(--radius-xs);
  box-shadow: 0 16px 40px rgba(22, 36, 30, 0.3);
}

dialog.policy-dialog::backdrop {
  background: rgba(22, 36, 30, 0.7);
  backdrop-filter: blur(5px);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-canvas);
}

.dialog-title {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.dialog-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  padding: 0.5rem;
  display: flex;
}

.dialog-body {
  padding: 2rem;
  overflow-y: auto;
  max-height: calc(85vh - 150px);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.dialog-body h3 {
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.dialog-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-canvas);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-monument-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-spread {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .triptych-ledger {
    grid-template-columns: 1fr;
  }

  .triptych-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .triptych-cell:last-child {
    border-bottom: none;
  }

  .progression-track {
    grid-template-columns: 1fr;
  }

  .registry-spread {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-portal-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }

  .masthead-colophon {
    display: none;
  }

  /* CRITICAL: Disable backdrop-filter on mobile so header does not trap position:fixed */
  .site-header,
  .site-header:has(.main-nav.is-open),
  body.nav-open .site-header {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background-color: var(--color-canvas) !important;
  }

  /* Full-bleed solid mobile navigation drawer */
  .main-nav {
    display: none;
    position: fixed;
    top: 4.75rem;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    width: 100vw;
    width: 100dvw;
    height: calc(100vh - 4.75rem);
    height: calc(100dvh - 4.75rem);
    background-color: #F4F2EC !important;
    padding: 2rem clamp(1.25rem, 5vw, 2.5rem) 3rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    border-bottom: 3px solid var(--color-bronze);
    box-shadow: 0 20px 40px rgba(22, 36, 30, 0.28);
    z-index: 9999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-bottom: 2.25rem;
    padding-top: 0.5rem;
    list-style: none;
    border-top: 1px solid var(--color-border);
  }

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-primary);
    padding: 1.1rem 0.25rem;
    text-decoration: none;
  }

  .nav-link::after {
    content: '→';
    font-family: var(--font-sans);
    font-size: 1.15rem;
    color: var(--color-bronze);
    position: static;
    width: auto;
    height: auto;
    background: none;
    opacity: 0.85;
  }

  .header-action-btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    min-height: 52px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    min-height: 48px;
    padding: 0.5rem;
  }

  .registry-ledger-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    padding: 1.15rem 1.25rem;
  }

  .footer-top-grid {
    flex-direction: column;
  }

  .footer-nav-columns {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}